Qingyong Zhu1, Jing Cheng2, Zhuo-Xu Cui1, and Dong Liang1,2
1Research Center for Medical AI, SIAT, Chinese Academy of Sciences, Shenzhen, China, 2Paul C. Lauterbur Research Center for Biomedical Imaging, SIAT, Chinese Academy of Sciences, Shenzhen, China
1Research Center for Medical AI, SIAT, Chinese Academy of Sciences, Shenzhen, China, 2Paul C. Lauterbur Research Center for Biomedical Imaging, SIAT, Chinese Academy of Sciences, Shenzhen, China
The proposed hybrid Plug-and-Play priors (PnP) based on internal and external denoising can help improve the performance of fast composite splitting algorithm in MRI, and the hybrid PnP is also easily incorporated in other algorithms such as ADMM and AMP.
Figure 1. The reconstruction results using all comparison methods at AF= 4, 5. The values at left-top of images are the corresponding RE($$$\%$$$) and PSNR(dB).
Figure 2. The RE (left) and PSNR (right) plots of all reconstructions at various AFs (AF=3, 4, 5).